8. Actinia ixornata. Body papillose, papillae oval, not very numerous ; ten- 

 tacula long, crowded in two or three rows ; sulcus of the mouth indicated by 

 protuberances at the margin ; space between mouth and tentacula rather broad; 

 color dark olive, paler above, darkest in a circle around the mouth. Height two 

 inches. 



Hab. China. 



9. Actinia multicolor. Subcylindrical, brownish, with large purple papillae 

 and ten whitish stripes ; a smooth band just beneath the tentacula, crowded with 

 vertical crimson lines : mouth large, flesh-colored, with a deep longitudinal 

 sulcus ; tentacula also flesh-colored, thick, short, suddenly tapering to a blunt 

 point, rather few in number, crowded together in two rows between the mouth 

 and the margin. Height 1 inch. 



Hab. China. 



10. Actinia napensis. Smooth, lineated, olivaceous, greenish above and 

 brownish below ; upper margin crenulated ; disc not broader than the middle of 

 the body : tentacula placed in two rows near the margin, rather stout, pointed, 

 dark-greenish, trimaculate with white on their inner sides ; mouth protuberant, 

 much lobed, spotted with white without and streaked with yellow within. At- 

 tached to stones beneath the sand. Height 1 inch. 



Hab. Loo Choo. 



11. CaNCRISOCIA, n. g. Tentacula simplicia elongata, omnino retractilia. 

 Basis valde dilatata, pellicula oblonga, coriacea, separabiliinstructa. Hsec vela- 

 mentum dorsale cancri (G. Dorippe) format. 



12. Canceisocia expansa. Of a pale brownish color ; base suboblong, slightly 

 arcuated, with rounded, subtruncate extremities ; margin crenulated ; pellicle 

 tough, brownish, concentrically striated, with a submarginal nucleus ; diameter 

 of the middle of the body half the length of the base, and two-thirds that of 

 the oral disc; tentacula long, slender, tapering, shaded with blackish about the 

 middle, arranged in two or three confluent rows around the margin ; space be- 

 tween mouth and tentacula radiated with blackish ; mouth greenish without, 

 brown within. In a contracted state, body much flattened, mouth indicated by a 

 depression at the centre. Found on the common Dorippe of the China seas, at- 

 tached by the posterior legs of the animal. 



13. EDWARDSIA, Quatref. Polypi ssepe non afSxi, sed non proprie liberi, 

 Subvermiformes, epidermide instructi ; tentaculis paucis et brevibus. 



14. Edwardsia collaris. Elongated, truncated at base, covered with a dirty 

 brownish epidermis, except at a broad white band just beneath the tentacula, 

 marked with eight fusiform stripes of brown ; tentacula small, slender, brownish, 

 about 40 in number. Length 2 inches. 



Hab. China, 



15. Edwardsia brevicornis. Oblong, tapering toward the rounded posterior 

 extremity, pale brown, 20-lineate, and with 20 short dark brown tentacula, banded 

 with white near their blunt extremities. Epidermis scarcely perceptible. Length 

 1 inch. 



Hab. China. 



16. Edwardsia clavata. Club-shaped, broad above; base small; epidermis 

 dark greenish, brownish below, leaving a narrow naked space below the tenta- 

 cula, of a purplish-brown color; tentacula in two equal series, the inner ones 

 erect, the outer horizontal ; mouth and tentacula purplish-brow^n, streaked and 

 banded with white. Length 2 inches, 



Hab. Kikaisimi. 



17. Edwardsia rubricollum. Subclavate, attached to stones beneath the 

 surface of the sand ; body covered with a loose brownish epidermis except at a 

 red band beneath the tentacula, the upper margin of which is tuberculated ; 

 ijKLOuth-disc pale yellow ; mouth deep red ; tentacula yellowish, stout, tapering 



